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The benefit of wall clock time data in method profiling

As a companion to our overview of the new JFR data adapter in binjr, here’s an illustration of how having good visualization options for the wall clock time component of method profiling events can help gain deeper insights out of a JFR profile, from a recent Real Lifeā„¢ investigation.

In this example, we are faced with an application whose startup time increased dramatically following a migration of some pieces in the software stack, to the point of becoming unbearable.